Add release notes.

Author: mpmadhavig

en/identity-server/next/docs/get-started/about-this-release.md

@@ -62,6 +62,17 @@ WSO2 Identity Server 7.1.0 introduces a range of new features and enhancements:
 
     Learn more about [user impersonation]({{base_path}}/guides/authorization/user-impersonation/).
 
+- **SCIM 2.0 Roles V3 API**
+
+    The new SCIM2 Roles V3 API introduces a permission model that separates role metadata management and role assignment operations. This allows administrators to delegate responsibilities more precisely—for example, allowing one set of users to create and edit roles, while another manages user and group assignments.
+
+    WSO2 Identity Server 7.2 keeps this API active by default. If you are migrating from a previous version, add the following configuration to the deployment.toml file to enable the API:
+
+    ```toml
+    [scim2]
+    enable_scim2_roles_v3_api=true
+    ```
+
 - **Enhanced security and cryptographic capabilities**
 
     - **Post-Quantum TLS Support** 
@@ -322,6 +333,10 @@ In WSO2 Identity Server 7.1.0, we have deprecated several features to enhance se
 
     With WSO2 Identity Server 7.1, the Carbon Registry, previously used as a data repository, has been deprecated. Registry dependencies have been removed from the WSO2 Identity Server, and the registry core is planned for removal in a future release, streamlining the system and reducing legacy components.
 
+- **SCIM 2.0 Roles API (v2)**
+
+    This release deprecates the [SCIM 2.0 Roles API (v2)]({{base_path}}/apis/role-management/roles-v2-rest-api/). Use the latest [SCIM 2.0 Roles API (v3)]({{base_path}}/apis/role-management/roles-v3-rest-api/) API for listing roles and updating users and groups of the roles.
+
 ## Deprecated configurations
 
 - **use_client_id_as_sub_claim_for_app_tokens & remove_username_from_introspection_response_for_app_tokens**